30
Part Number 550-142-320/0720
GWA
Series 3
Gas-Fired Water Boilers –
Boiler Manual
11
Operating instructions
Gas valve
—
Honeywell VR8204 or VR8304 — White-Rodgers 36C or 36E
FOR YOUR SAFETY READ BEFORE OPERATING
1. Set the thermostat to lowest setting.
2. Turn off all electric power to the appliance if service is
to be performed.
3. Remove front panel.
4. Turn gas control knob clockwise
to
OFF
. Do not
force.
(Press down on 36C valve knob to turn.)
5. Replace front panel.
1.
Stop!
Read the safety information above on this label. Vent damper operations be-
low apply only to GWA boilers. Find vent damper manufacturer and model on vent
damper nameplate.
2. Set the thermostat to lowest setting.
3. When equipped with
Effikal
vent damper
Model RVGP,
place service switch in
Hold
Damper Open
position.
4. Turn off all electrical power to the appliance.
5. When equipped with
Johnson Controls
vent damper
Model M35,
manually rotate
damper blade in direction of arrow to
Open
position indicated on damper assembly.
6. This appliance is equipped with an ignition device which automatically lights the
pilot.
Do not
try to light the pilot by hand.
7. Turn gas control knob clockwise
to
OFF.
(Press down on White-Rodgers 36C
valve knob to turn.)
8. When equipped with vent damper, verify damper blade is in full open position.
9. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor.
If you smell gas,
STOP!
Follow
“B”
in the safety information above. If you don’t smell
gas, go to the next step.
10. Turn gas control knob counterclockwise
to
ON
. (Press down on White-Rodgers
36C valve knob to turn.)
11. Turn on all electric power to the appliance.
12. When equipped with
Effikal
vent damper, place service switch in
Automatic Opera-
tion
position.
13. Set thermostat to desired setting.
14. If the appliance will not operate, follow the instructions
To Turn Off Gas To The
Appliance
and call your service technician or gas supplier.
15. Replace front panel.
TO TURN OFF GAS TO THE APPLIANCE
OPERATING INSTRUCTIONS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone
in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
WHAT TO DO IF YOU SMELL GAS
A. This appliance is equipped with an ignition
device which automatically lights the pilot.
Do not
try to light the pilot by hand.
B. Before
OPERATING
, smell all around the ap-
pliance area for gas. Be sure to smell next to
the floor because some gas is heavier than
air and will settle on the floor. See below.
C. Use only your hand to depress or move the selector arm. Never use
tools. If the selector arm will not depress or move by hand, don’t try to
repair it, call a qualified service technician. Force or attempted repair
may result in a fire or explosion.
D. Do not use this appliance if any part has been under water. Immediately call
a qualified service technician to inspect the appliance and to replace any
part of the control system and any gas control, which has been under water.
If you do not follow these instructions exactly, a fire or explosion may result
causing property damage, personal injury or loss of life.
